Non-metal construction materials, namely, construction blocks made of shredded rubber tire pieces, cement, slag cement and silica fume; Construction materials, namely, non-metal flooring materials; Refractory construction materials, not of metal; Construction material, namely, blocks made primarily from shredded rubber tire pieces; Refractory blocks, not of metal; Non-metal roofing; Roofing comprised primarily of shredded rubber tire pieces, cement, slag cement and silica fume; Roofing system...